11
Replacing individual tubes
SKR6.1R, SKR12.1R - Subject to technical modifications.
29
11
Replacing individual tubes
You can recognise a faulty tube by the fact that the silver
coating in the lower section of the tube has changed to a
white mist.
Fig. 41 Replacing individual tubes
1
Silicone ring
2
Tube holder
3
Release lever
4
Tube
Removing a mechanically damaged tube
B
Carefully remove glass splinters without damaging the
CPC mirror surface.
B
Remove the bottom tube retainer [2].
Removing a mechanically undamaged tube
B
In order to be able to remove the bottom tube retainer
[2],
– push the tube 5 mm upwards into the header box
and
– push down the two release levers [3] on the right
and left using your thumb and index finger.
B
Release the tube retainer by lifting towards the header
box.
B
Lift the tube slightly and turn it about the longitudinal
axis to pull it straight down and out.
Fitting a tube
Install the new tube [4] in reverse order to the removal of
the old one.
Ensure the silicon ring [1] sits correctly inside the header
box.
B
Coat the top of the tube with a soapy solution or
lubricating paste.
B
Push the tube through the silicon ring into the header
box whilst turning it slightly.
B
Place the tube holder [2] on the end of the tube, push
it in between the notches in the aluminium profile and
engage it in the groove.
B
Pull down the tube into the tube holder as far as it will
go.
WARNING:
Risk of injury through glass
splinters.
B
When handling collectors, always wear
safety gloves and goggles.
If there is inadequate room to remove the
tube, the coil can be bent upwards up to 20°.
6 720 647 042-10.1ITL
